T/ZZB 2145-2021 Active Group standards

T/ZZB 2145-2021 Dual-function steel plug valve with cut-off and discharge features

Publish Date: 2021-06-28 Implement Date: 2021-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZB 2145-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nValve

ICS Name: Ball valves and plug valves

Publish Date: 2021-06-28

Implement Date: 2021-07-01

Scope

Main technical content: This document specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules, marking, protection, packaging, transportation and storage, and quality commitments of double-acting and double-shutoff steel plug valves (referred to as "double-acting and double-shutoff valves") with discharge functions. This document is applicable to oil, natural gas, and related industries with nominal sizes of DN25 to DN600 (NPS1 to NPS24), nominal pressures of PN16 to PN420 (Class 150 to Class 2500), and operating temperatures of -29°C to 150°C. The end connections are flanged or butt-welded for double-acting and double-shutoff steel plug valves with discharge functions.